1306343857452 has 12 divisors (see below), whose sum is σ = 3048135667416. Its totient is φ = 435447952480.

The previous prime is 1306343857373. The next prime is 1306343857579. The reversal of 1306343857452 is 2547583436031.

It is a happy number.

It is a tau number, because it is divible by the number of its divisors (12).

It is a junction number, because it is equal to n+sod(n) for n = 1306343857395 and 1306343857404.

It is an unprimeable number.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 54430994049 + ... + 54430994072.

It is an arithmetic number, because the mean of its divisors is an integer number (254011305618).

Almost surely, 2^{1306343857452} is an apocalyptic number.

1306343857452 is a gapful number since it is divisible by the number (12) formed by its first and last digit.

It is an amenable number.

1306343857452 is an abundant number, since it is smaller than the sum of its proper divisors (1741791809964).

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

1306343857452 is a wasteful number, since it uses less digits than its factorization.

1306343857452 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 108861988128 (or 108861988126 counting only the distinct ones).

The product of its (nonzero) digits is 7257600, while the sum is 51.

The spelling of 1306343857452 in words is "one trillion, three hundred six billion, three hundred forty-three million, eight hundred fifty-seven thousand, four hundred fifty-two".